<!DOCTYPE html>
<html>
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <meta name="viewport" content="initial-scale=1.0, user-scalable=no" />
    <style type="text/css">
      body,
      html,
      #allmap {
        width: 100%;
        height: 100%;
        overflow: hidden;
        margin: 0;
        font-family: '微软雅黑';
      }
    </style>
    <script
      type="text/javascript"
      src="//api.map.baidu.com/api?type=webgl&v=1.0&ak=您的密钥"
    ></script>
    <title>设置地图3D视角</title>
  </head>
  <body>
    <div id="allmap"></div>
  </body>
</html>
<script type="text/javascript">
  // GL版命名空间为BMapGL
  // 按住鼠标右键，修改倾斜角和角度
  var map = new BMapGL.Map('allmap'); // 创建Map实例
  map.centerAndZoom(new BMapGL.Point(116.28019, 40.049191), 19); // 初始化地图,设置中心点坐标和地图级别
  map.enableScrollWheelZoom(true); //开启鼠标滚轮缩放
  map.setHeading(64.5);
  map.setTilt(73);
</script>
